Yesterday, I decided to take the snow plow off of the 1250 as I think snow season is over. I decided to put the tiller on since I never saw it on before. Everything mounted up nice and there do not appear to ba any issues with it. I think my neighbor has some tilling he needs done (at least I hope so) so I can try it out!

Quick question.....should I take the tire chains off for tilling or leave them on?

If anyone wants I will try and post some pictures of it installed.

If I till my neighbors garden I will also try and get video of it doing its thing

I would take the tire chains off as there's really no need to have them on when you have the tiller to help you out.
I am not sure on how close the clearance is between the tire and tine on a largeframe but I know on a tubeframe it is so close that you can catch the chain on the tine if your chains are not tight.

when I was pulling a plow thru my garden, ag tires is what I had on and did not use any weight with them. I also had the differential locked on. (big nut screwed in on the back left axle) When I set the plow too deep those ags dug right in without slipping. I tilled with the ags too and did ok. When I sold the H14 I sold it with the tiller and turf tires. I took it out in the garden to show the buyer how it worked when tilling and it handled the job fine. Those tires were loaded tho, that probable helped some, but again I never did spin a tire with turf tires pulling the tiller. I think Bolens 1000 is right, the tiller will push you out of any trouble.

Brian was right on the money about clearance on the tube frames. I posted pics of one of my tube frames tilling with chains and caught some negative comments.Turns out they were correct. With little clearance between the tiller and the tires, you don't need a chain link breaking or being too loose and catching a tine on the tiller.My first experience with a tiller was an eye opener. Just like Brian said, the tiller will actually help your forward progress. Even with the extra clearance on the 1250, try it without the chains. If you set the tiller at the proper depth you should have no problems.
I'm looking forward to the pics and hopefully some video of the tilling.Good luck.